CVE-2026-110812: Amazon Neptune Engine · Deserialization of Untrusted Data
Affects Amazon Neptune EngineSource CVE Database V5
Not known to be exploited · CVSS 9.9 Critical : upgrade to 1.5.0.0 as a priority.
Data as of 26 Oct 2026, 11:07 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 30% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- CISA SSVC
- Exploitation
- No evidence of active exploitation and no public proof of concept
- Automatable
- Attackers cannot reliably automate steps 1–4 of the kill chain
- Technical impact
- Total control over the software or total information disclosure
CISA SSVC assessment, 2026-10-16.
- Patch
- Available – fixed in 1.5.0.0
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 15 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade Amazon Neptune Engine to 1.5.0.0.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| AWSAmazon Neptune Engine | Affected
| Fixed in
|
Description
Deserialization of untrusted data in the Gremlin graph data import component in Amazon Neptune engine might allow an authenticated remote actor with standard database permissions to execute arbitrary code and access internal service credentials. To remediate this issue, users not enrolled in auto-update should upgrade to Amazon Neptune engine version 1.5.0.0.(Backports to 1.4.8.1 and 1.4.7.1)
Reports on CVE-2026-110812
References
- docs.aws.amazon.com/neptune/latest/userguide/engine-releases-1.5.0.0.html (opens in a new tab)
- docs.aws.amazon.com/neptune/latest/userguide/engine-releases-1.4.7.1.html (opens in a new tab)
- docs.aws.amazon.com/neptune/latest/userguide/engine-releases-1.4.8.1.html (opens in a new tab)
- aws.amazon.com/security/security-bulletins/2026-136-aws/ (opens in a new tab)